Analysis
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max time kernel
165s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
11-02-2022 06:36
Static task
static1
Behavioral task
behavioral1
Sample
b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe
Resource
win10v2004-en-20220113
General
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Target
b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe
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Size
56KB
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MD5
9656ad5421056563eff07d8b6ff95877
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SHA1
989e73efe758801933a6289536cfa342eb2bc6c8
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SHA256
b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e
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SHA512
1898ca3d94ba7ced2f2ee056fe3f1a35a161eb872745a522b2c1873d7adf2a3fa6e599535e73945a8fb9a1211f92d783ed7427937107a54ab0374413c75d1ed3
Malware Config
Extracted
C:\how_to_back_files.html
129wbWjopiECw1n7XgHWK7n6nmEPd7K8m6
Signatures
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GlobeImposter
GlobeImposter is a ransomware first seen in 2017.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe" b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe -
Drops desktop.ini file(s) 8 IoCs
description ioc Process File opened for modification C:\Users\Public\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Videos\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Pictures\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Music\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Libraries\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Downloads\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Documents\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe File opened for modification C:\Users\Public\Desktop\desktop.ini b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 540 svchost.exe Token: SeCreatePagefilePrivilege 540 svchost.exe Token: SeShutdownPrivilege 540 svchost.exe Token: SeCreatePagefilePrivilege 540 svchost.exe Token: SeShutdownPrivilege 540 svchost.exe Token: SeCreatePagefilePrivilege 540 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe"C:\Users\Admin\AppData\Local\Temp\b70cbc9d9be2d220f39ab3101c92a38f24e66ccefe18e81382629efec6d8346e.exe"1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
PID:3484
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:540